Effects of microscopic pore structure heterogeneity on the distribution and morphology of remaining oil

Junjian LI,Yang LIU,Yajun GAO,Baoyang CHENG,Fanle MENG,Huaimin XU

Fig. 15. The morphologies of the five types residual oil at the end of water-flooding in No.2 and No.3 cores (above: No. 2 core; below: No.3 core).